Heat treatment of metals (PKD 25.52.Z)
This subclass includes:
- general activities related to heat treatment of metals,
- thermomechanical heat treatment of metals (for example heating, annealing, hardening, tempering, cooling (quenching), deep freezing),
- thermochemical heat treatment of metals (for example carburising, carbonitriding, nitrocarburising, nitriding, oxidising, sulphurising, boriding).
Industry statistics (2025)
Number of companies
Companies (primary PKD)
18
Companies (secondary PKD)
501
Companies with financials
3
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